Metallic brake-beam



(N0 Model.)

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PATENT FFICE.

WILLIAM WOODCOCK, OF

ELIZABETH, NEW JERSEY.

METALLIC BRAKE-BEAM.

SPECIFICATION forming part of Letters Patent No. 276,122, dated April 17, 1883. Application filed February 12, 1883. (No model.)

To all whom it may concern Be it known that 1, WILLIAM WooDoooK, a citizen of the United States, and a resident of Elizabeth, Union county, New Jersey, have invented certain Improvements in Brake- Beams, of which the following is a specification.

My invention consis s of an improvement, fully described hereinafter, in the metal brakebeam for which Letters Patent No. 270,871 were granted to me on the 16th day of January, 1883.

In the accompanying drawings, Figure 1 is an edge view of my improved brakebeam; Fig. 2, a plan view; Fig. 3, a view of a brakeshoe, and Fig. 4 a modification of part of the beam.

In my former patent Idescribed and claimed a brake-beam in which two wrought-iron bars, placed flatwise' one above the other and welded together at and near their opposite ends, were combined with and secured to a central fillingblock, by which the bars were separated in the middle, said bars converging toward the opposite welded ends.

I have found that a more economical and substantial beam, possessing the advantages due to theplacing of two bars flatwise one above'the other and converging toward the opposite ends, can be made by casting the beam in one piece, the casting being either of steel or of cast-iron rendered malleable.

The two bars A A, Figs. 1 and 2, and the solid end portions, a a, are cast in one piece with the central portion, 1), through which extends a horizontal opening, a, for receiving the stem ofthe forked bar M, which carries the pin ofthe brake-lever, the stem being threaded and provided with suitable nuts. The bars A A are made on a slight taper from the middle to the opposite ends; but they may be made of a uniform width throughout. Each of the solid ends a a may be notched at e to receive a key, by which a brake-shoe (shown in Fig.3) is secured to the beam or each solid end may have an eye, 00, Fig. 4, for receiving a bolt by which a brake shoe may be attached to the beam.

I prefer to make the beam of cast-steel; but it may be made of cast-iron converted into malleable iron by the usual process.

I claim as my invention- The within-described cast-steel or malleableiron brake-beam, the same consisting of bars A A, placed flatwise one above the other and united at and near the opposite ends, and the central portion, 1), all being cast'in one piece, as set forth.

In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.

WM. WOODCOCK.

Witnesses HARRY DRURY, HARRY SMITH. 

